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Negative binomial distribution - Discrete Probabilities

Negative binomial distribution

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Notes:
• Negative Binomial Distribution: P(n)=(n1)C(x1)px(1p)nxP(n)=_{(n-1)}C_{(x-1)}p^x(1-p)^{n-x}
nn: number of trials
xx: number of success in n trials
pp: probability of success in each trial
P(n)P(n): probability of getting the xx success on the nthn^{th} trial
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Negative binomial distribution

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